# CASTOR MARITIME INC (CTRMXXXX)

> Institutional ownership reported to the SEC as of Q1 2021, from Form 13F filings. Source: https://holderbook.com/stocks/CTRMXXXX/

- Reporting holders: 33
- Reported value: $7.7M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $5.2M | 6,799,367 | 0.0% | 7 |
| [Virtu Financial LLC](https://holderbook.com/funds/1533964-virtu-financial-llc/) | $586.0K | 770,559 | 0.0% | 2 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $457.0K | 600,000 | 0.0% | 1 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $349.0K | 459,572 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $218.0K | 286,183 | 0.0% | 2 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $195.0K | 256,165 | 0.0% | 1 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $169.0K | 222,500 | 0.0% | 2 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $166.0K | 218,454 | 0.0% | 2 |
| [Squarepoint Ops LLC](https://holderbook.com/funds/1642575-squarepoint-ops-llc/) | $118.0K | 155,061 | 0.0% | 1 |
| [Triton Wealth Management, PLLC](https://holderbook.com/funds/1791126-triton-wealth-management-pllc/) | $38.0K | 64,303 | 0.0% | 1 |
| [COMMONWEALTH EQUITY SERVICES, LLC](https://holderbook.com/funds/312272-commonwealth-equity-services-llc/) | $20.0K | 27,000 | 0.0% | 1 |
| [Cubist Systematic Strategies, LLC](https://holderbook.com/funds/1603465-cubist-systematic-strategies-llc/) | $19.0K | 25,500 | 0.0% | 1 |
| [Qube Research & Technologies Ltd](https://holderbook.com/funds/1729829-qube-research-technologies-ltd/) | $19.0K | 24,988 | 0.0% | 1 |
| [Strategic Wealth Designers](https://holderbook.com/funds/1802365-strategic-wealth-designers/) | $19.0K | 25,000 | 0.0% | 1 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $18.0K | 23,523 | 0.0% | 1 |
| [Compagnie Lombard Odier SCmA](https://holderbook.com/funds/1615423-compagnie-lombard-odier-scma/) | $18.0K | 23,700 | 0.0% | 1 |
| [Cambridge Investment Research Advisors, Inc.](https://holderbook.com/funds/1419186-cambridge-investment-research-advisors-inc/) | $17.0K | 22,600 | 0.0% | 1 |
| [GRIFFIN ASSET MANAGEMENT, INC.](https://holderbook.com/funds/883803-griffin-asset-management-inc/) | $16.0K | 20,810 | 0.0% | 1 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $15.0K | 20,000 | 0.0% | 1 |
| [ENVESTNET ASSET MANAGEMENT INC](https://holderbook.com/funds/1407543-envestnet-asset-management-inc/) | $11.0K | 14,164 | 0.0% | 1 |
| [Virtue Capital Management, LLC](https://holderbook.com/funds/1729985-virtue-capital-management-llc/) | $11.0K | 15,000 | 0.0% | 1 |
| [Pasadena Private Wealth, LLC](https://holderbook.com/funds/1760578-pasadena-private-wealth-llc/) | $10.0K | 13,000 | 0.0% | 1 |
| [BANK OF MONTREAL /CAN/](https://holderbook.com/funds/927971-bank-of-montreal-can/) | $8.0K | 16,000 | 0.0% | 1 |
| [SCOTIA CAPITAL INC.](https://holderbook.com/funds/1335644-scotia-capital-inc/) | $8.0K | 10,000 | 0.0% | 1 |
| [Purus Wealth Management, LLC](https://holderbook.com/funds/1844250-purus-wealth-management-llc/) | $8.0K | 10,000 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2021 | 33 | $7.7M |
| Q4 2020 | 17 | $2.6M |
| Q3 2020 | 5 | $324.0K |
| Q2 2020 | 7 | $755.0K |
| Q1 2020 | 2 | $89.0K |
| Q4 2019 | 5 | $259.0K |
| Q3 2019 | 3 | $166.0K |
| Q2 2019 | 2 | $106.0K |
| Q1 2019 | 2 | $3.0K |